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62 questions
Which is an example of Newton's 1st Law
A soccer ball will not move unless it is kicked
A full grocery cart needs more force to push it than an empty one. I
When air rushed out of a balloon , the balloon flies up.
Which is an example of Newton's 2nd Law
If you slide a hockey puck on ice, eventually it will stop if it hits a player's stick
A fireman turns on his hose and is knocked backwards by the force of the water.
It takes more force to throw a bowling ball than a tennis ball.
Which is an example of Newton's 3rd Law?
A soccer ball will not move unless it is kicked
When you paddle a kayak, the kayak goes forward
A pitched baseball goes faster than one that is gently thrown.
What is inertia?
the measure of mass in motion
the force that keeps an object moving in a circle
the resistance of an object to change in the speed or the direction of its motion.
Which 2 factors affect air resistance?
gravity and surface area
mass and speed
surface area and speed
What type of energy is displayed by an apple sitting on a desk?
Kinetic Energy
Electric Energy
Potential Energy
Mechanical Energy
To find the mechanical energy of an object, you can
multiply the potential energy by the kinetic energy
add the potential energy by the kinetic energy
divide the kinetic energy by the potential energy
divide the potential energy by the kinetic energy
What kind of circuit it displayed?
Open parallel circuit
Closed series circuit
Closed parallel circuit
Open series circuit
Which statement BEST describes the change in energy during motion of the pendulum?
The potential energy at point 1 is equal to the potential energy at point 5.
The kinetic energy at point 3 is equal to the kinetic energy at point 5.
The potential energy at point 1 is equal to the potential energy at point 3.
The potential energy at point 2 increases as it moves to point 4.
What will cause an object to move?
applied forces
balanced forces
unbalanced forces
How will this object move!
It won't move
It will move to the left
It will move to the right
It will move up
When one bulb in a series circuit containing several light bulbs burn out:
The other bulbs burn brighter
Nothing changes in the rest of the circuit
None of the other bulbs will light up
Air resistance increases with
increased speed and decreased surface area
decreased speed and increased surface area
increased speed and increased surface area
decreased speed and decreased surface area.
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